LXR linux/sound/pci/ctxfi/ctimap.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   4 *
   5 * @File        ctimap.h
   6 *
   7 * @Brief
   8 * This file contains the definition of generic input mapper operations
   9 * for input mapper management.
  10 *
  11 * @Author      Liu Chun
  12 * @Date        May 23 2008
  13 */
  14
  15#ifndef CTIMAP_H
  16#define CTIMAP_H
  17
  18#include <linux/list.h>
  19
  20struct imapper {
  21        unsigned short slot; /* the id of the slot containing input data */
  22        unsigned short user; /* the id of the user resource consuming data */
  23        unsigned short addr; /* the input mapper ram id */
  24        unsigned short next; /* the next input mapper ram id */
  25        struct list_head        list;
  26};
  27
  28int input_mapper_add(struct list_head *mappers, struct imapper *entry,
  29                     int (*map_op)(void *, struct imapper *), void *data);
  30
  31int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
  32                     int (*map_op)(void *, struct imapper *), void *data);
  33
  34void free_input_mapper_list(struct list_head *mappers);
  35
  36#endif /* CTIMAP_H */
  37